Specimina omnia nunquam diehotema, nt in Pol. hetero- 
morpho, sed irregulariter hi s. tripinnatisecta,, segmentis pri- 
mariis inevolntis minutis elongatis interjeetis, seenndariis hine 
inde versus apicem denuo pinnatisectis. 
Polypodium patentissimum Meit. 
Rhizoma cerassitiem pennae corvinae non adaequans, elon- 
gatum paleis pancis, remotis sparse obsitnm, ınox denudatum; 
folia distantia, membranacea, glaberrima; phyliopodium vix 
1“ altum; petiolus 1” Jongus; Jamina 6—10” longa, 1—%2” 
lata, elongata, acuminata, profunde pinnatipartita; laciniae 
numerosae patentissimae, elongatne apice sensim attennatae, 
subrepandae, contiguae inferiores basi superiore adscendente 
adnatae, inlimae deflexae, vix ahhreviatae; nervi anadromi, 
obliqui, steriles indivisi, fertiles furcati, ramulo antico sori- 
fero brerissimo; sori medii inter costulam ei marginem. 
Chimborazzo, alt. 3000 ped. (Spruce 5713.). 
P. tenuifolio proximnm, glabritie rhizomatis insigne. 
Pelypodium ambiguum Mett. 
Rhizoma repens, elongatum, validum, paleis persistenti- 
bus adpressis rigide membranaceis rufo-ferrngineis, nitidis, 
oblongo -Ianceolatis, subtiliter ciliatis squamosnm; folia wtrin- 
que subglandulosa, in costis nervisgue densins pubescentia; 
petiolus 7° longus, rufescens, superne eum rhachi pnberulus; 
lamina 1'° longa, oblonga, acnminata, jinnatiseeta, apiee 
pinnatifida;. segmenta numerosa, patenti-divergentia, 374 longa, 
5 lata, inferiora (I0—12) sessilia e basi superiore cordata, 
subaurieulata vel auriculata, petiolo incumbente, inferiora trun- 
eata, elongato - oblonga, sensim attennata, repande suhsinuata, 
superiora adnata, decrescentia; nervi densi repetito - furcati, 
liberi vel maeulas Marginariae iransverse elongatas efforman- 
tes; sori terminales oblongi costae approximati, suhcontigui ; 
